<template>
  <div class="topnav">
    <router-link to="/" class="logo" >
      <svg class="icon">
    <use xlink:href="#icon-long"></use>
</svg>
    </router-link>
    <ul class="menu">
      <li>
      <router-link to="/doc">文档</router-link>
    </li>
    </ul>
    <svg v-if="toggleMenuButtonVisible" class="toggleAside" @click="toggleMenu">
      <use  xlink:href="#icon-menu"></use>
    </svg>
  </div>
</template>

<script>
import { inject } from 'vue'
export default {
  props:{
    toggleMenuButtonVisible:{
      type:Boolean,
      default:false
    }
  },
  setup() {
    let asideVisble = inject('asideVisble')
    //切换菜单显示
    function toggleMenu() {
      asideVisble.value = !asideVisble.value
      console.log(asideVisble)
    }
    return{
        toggleMenu
    }
  },
}
</script>

<style lang="scss" scoped>
.topnav {
  display: flex;
  padding: 16px;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 20;
  justify-content: center;
  align-items: center;
  > .logo {
    max-width: 6em;
    margin-right: auto;
    color: aliceblue;
    >svg{
      width: 32px;
      height: 32px;
    }
  }
  > .menu {
    display: flex;
    white-space: nowrap;
    flex-wrap: nowrap; 
    > li {
      margin: 0 1em;
    }
  } 
  >.toggleAside{
    display: inline-block;
    width: 24px;
    height: 24px;
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    display: none;
  }
  @media (max-width:500px) {
      >.menu{
          display: none;
      }
      >.logo{
          margin: 0 auto;
      }
      >.toggleAside{
          display: inline-block;
      }
  }
}
</style>
